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Retinol sandwich: viral claim vs the evidence

⏱ 1 min read
Quick answer: A legitimate buffering method that genuinely improves retinoid tolerance for sensitive or new users.

✅ Science-backed

Viral claim: "Moisturizer–retinoid–moisturizer to cut irritation."

A legitimate buffering method that genuinely improves retinoid tolerance for sensitive or new users.

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✍️ Written & reviewed by the KoreaPlus Editorial team — dermatologist-informed, cosmetic-science researched & source-cited. Last reviewed: 2026-08-23.

General educational information using cosmetic structure-function wording — not medical advice. Always patch-test new actives. © KoreaPlus.